September weather forecastLees, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a mild month in Lees, United Kingdom, with an average temperature ranging between max 15.8°C (60.4°F) and min 9°C (48.2°F).Temperature
Lees starts September with an average high-temperature of a still refreshing 15.8°C (60.4°F), hinting at a minimal fluctuation from August. Lees experiences a mean low-temperature of 9°C (48.2°F) during September.Humidity
In September, the average relative humidity is 86%.Rainfall
In September, in Lees, the rain falls for 16 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 205.2 rainfall days, and 500mm (19.69") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Lees.Daylight
The average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:57 pm. On the last day of September, in Lees, United Kingdom, sunrise is at 7:09 am and sunset at 6:46 pm BST.
Sunshine
The average sunshine in September in Lees is 5.8h.UV index
In September, the average daily maximum UV index in Lees is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lees, United Kingdom
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 9°C
The months with the highest average low temperature are July and August (10.8°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Lees, United Kingdom
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Lees, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest months (with the lowest average wind speed) are June and July (12.8km/h).
Average humidity in September
Lees, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in September
Lees, United Kingdom
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Lees, United Kingdom
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in September
Lees, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lees, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lees, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 5h and 48min
The months with the most sunshine are April and May (Average sunshine: 6h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in September
Lees, United Kingdom
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is April (12.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in September
Lees, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Lees, United Kingdom
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Lees, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are March, April and May (9km).
The months with the lowest visibility are January, February, June, July, August, September, October, November and December (8km).
